Question

# Find the length of AB, if the length of BD is 6 cm and AO is one third of AC which 12 cm. 3 cm4 cm5 cm6 cm

Solution

## The correct option is C 5 cm BD=6cmAC=12cmAO=13×AC=13×12AO=4cmWe know that, one of the diagonals of  a kite bisect each other.BO=OD=3cm. In △AOB,AB2=AO2+OB2=42+32=16+9=25AB=√25=5 cm  The length of AB is 5 cm.

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